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Posts tagged #explainer

3 posts.

June 10, 2026 · 5 min read

RPC Rate Limits Decoded: req/s, CUs, API Credits

Every RPC provider limits you, but they don't agree on what a limit even is. One caps requests per second, another meters compute units, a third deducts API credits. Here's how the three models work, why the same workload costs differently on each, and how to estimate your own number.

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June 7, 2026 · 5 min read

What Is an RPC Endpoint? A 5-Minute Explainer

Every blockchain tutorial says 'connect to an RPC endpoint' and then moves on. Here's what one actually is, what the URL means, how a request works, and when you need a provider — in five minutes.

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